tmp/1198965-15470403231811 x+ 017 (part 1 of 2) 10.0 points In civil aviation, a "standard turn" for...
mp/1198965-154704032318 015 (part 1 of 2) 10.0 points The speed of an arrow fired from a compound bow is about 23 m/s. An archer sits astride his horse and launches an arrow into the air elevating the bow at an angle of 49° above the horizontal and 1.7 m above the ground. 1.7 m range What is the arrow's range? The acceler- ation of gravity is 9.81 m/s. Assume the ground is leveland ignore air resistance. Answer in units of...
017 (part 1 of 4) 10.0 points A small cork with an excess charge of +8.0 μC is placed 0.21 m from another cork, which carries a charge of-3.2 μC. What is the magnitude of the electric force between the corks? The Coulomb constant is 8.98755 x 109 N m2/C2 Answer in units of N. 018 (part 2 of 4) 10.0 points Is this force attractive or repulsive? 1. Unable to determine 2. Repulsive 3. Attractive 019 (part 3 of...
017 (part 1 of 2) 10.0 points A(n) 4 kg object moving with a speed of 9.4 m/s collides with a(n) 17 kg object moving with a velocity of 8.6 m/s in a direction 22 from the initial direction of motion of the 4 kg object. 4 kg 9.4 m/s 22° 8.6 m/s 17 kg What is the speed of the two objects after the collision if they remain stuck together? Answer in units of m/s 018 (part 2 of...
017 (part 1 of 2) 10.0 points The force of magnitude F, acting in the r direction on a 8.3 kg particle varies in time as shown in the figure. Fr (N) 3 0 1 2 3 456789 10 Calculate the impulse of this force. Answer in units of N s 018 (part 2 of 2) 10.0 points Before the force s applied < 0 on the above graph), the particle moves along the z axis with velocity v-4.2 m/s....
009 (part 1 of 2) 10.0 points A civil engineer is asked to design a curved section of roadway that meets the following conditions: With ice on the road, when the coefficient of static friction between the road and rubber is 0.24, a car at rest must not slide into the ditch and a car traveling less than 70 km/h must not skid to the outside of the curve. The acceleration of gravity is 9.81 m/s2. At what angle should...
018 (part 1 of 2) 10.0 points A jet aircraft is traveling at 290 m/s in hor- izontal flight. The engine takes in air at a rate of 39.3 kg/s and burns fuel at a rate of 1.37 kg/s. The exhaust gases are ejected at 441 m/s relative to the aircraft. Find the thrust of the jet engine. Answer in units of N. 019 (part 2 of 2) 10.0 points Find the delivered power. Answer in units of W.
Need help with #17. please and thank you. 016 (part 1 of 2) 10.0 points Objects with masses of 195 kg and 497 kg are separated by 0.489 m. A 27.8 kg mass is placed midway between them. 497 kg 195 kg 27.8 kg -0.489 m- Find the magnitude of the net gravitational force exerted by the two larger masses on the 27.8 kg mass. The value of the universal gravi- tational constant is 6.672 x 10- N m2/kg Answer...
016 (part 1 of 3) 10.0 points An air-filled capacitor consists of two parallel plates, each with an area of 4.65 cm, sepa- rated by a distance of 1.66 mm. A 17.7 V potential difference is applied to these plates. Find the magnitude of the electric field be- tween the plates. The permittivity of free space is 8.8542 x 10 12 c /N-m2 Answer in units of kV/m. 017 (part 2 of 3) 10.0 points Find the capacitance. Answer in...
016 (part 1 of 2) 10.0 points A light, inextensible cord passes over a light, frictionless pulley with a radius of 16 cm. It has a(n) 13 kg mass on the left and a(n) 4 kg mass on the right, both hanging freely. Initially their center of masses are a vertieal distance 2.0 m apart. 5 The acceleration of gravity is 9.8 m/s. 16 cm 13 kg 2.6 m 4 kg At what rate are the two masses accelerat- ing...
028 (part 1 of 2) 10.0 points An electron moves in a circular path perpen- dicular to a magnetic field that has a magni- tude of 0.585 x 10-3 T. The angular momen- tum of the electron as it moves around the center of the circle is 4.54 x 10-25J.s. Find the radius of the circular path. Answer in units of m. 029 (part 2 of 2) 10.0 points Find the speed of the electron. Answer in units of m/s.